package com.atguigu.gulimallcart.service;

import com.atguigu.gulimallcart.vo.Cart;
import com.atguigu.gulimallcart.vo.CartItem;
import com.baomidou.mybatisplus.core.metadata.OrderItem;

import java.util.List;
import java.util.concurrent.ExecutionException;

public class NullCartService implements ICartService {
    public CartItem addToCart(Long skuId, Integer num) {
        return null;
    }

    public Cart getCart() {
        return null;
    }

    public void clearCart(String cartKey) {

    }

    public CartItem getCartItem(Long skuId) {
        return null;
    }

    public void checkItem(Long skuId, Integer check) {

    }

    public void countItem(Long skuId, Integer count) {

    }

    public void delItem(Long skuId) {

    }

    public List<OrderItem> currentUserCartItems() {
        return null;
    }
}
